ML17037B716

Letter Submitting the August 1976 Operating Status Report

ML17037B716
Person / Time
Site:	Nine Mile Point
Issue date:	09/03/1976
From:	Schneider R Niagara Mohawk Power Corp
To:	Office of Nuclear Reactor Regulation
References
Download: ML17037B716 (9)

Text

NRC FOAM 395 U.S. NUCLEAR REGULATORY IISSION DOCKET NUMBER

'PI1 IW.TO> P 50-220 FILE NUMBER NRC DISTRIBUTION FoA PART 60 DOCKET MATERIAL MONTIILY REPORT FROM: DATE OF DOCUMENT Niagara Mohawk Power Corp. 9 3 76 N R, C, Syracuse, New York DATE RECEIVED R. R.'chneider 9 4 7

@LETTER QNOTOR IZED PROP INPUT FOAM NUMBER OF COPIES RECEIVED P4) A I G IN AL PfVNC LASSIF IED One signed QCOPY DES C AI P TI 0 N ENCLOSURE LETTER TRANS THE FOLLOWING: MONTHLY REPORT FOR Au ust/1976 PLANT Ec COMPONENT OPERABILITY 6 AVAILABILITY, THIS REPORT TO BE USED IN PREPARING GRAY BOOK BY PLANS 6 OPERATIONS'LANT (1-P) (3-P), (KCKgPgg@IIGF>

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NXNB H E POXNT NUCLEAR STATXOtI NXAG HAM% PO4ER CORPOKXTX03 AVERAGE DAILYUYtlT POOVE'R LEYEL E~

DOCK.ET NO. Sd 220 UNIT D

COMPLETED BY T. J. Perkins TELEPHOiCE

~IOyTH Au ust 1976 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAIK.YPONER LvVER.

'iXDY~Xi'et)

(MWe-.Net) 512 17 353 1

18 57 377 20 461 498 503 60 23 516 24 621 25 10 532 'S 523 27 531 28 524 13 30 529 31 521 532

/cjw

NE NILE POXN'f NUCLEAR STATXOi~

NXAGAM ~i(0)iAMK POWER COP'590f XON OPERAT)NG DATA REPORT DOCKET NP. 50 - 220 UNIT DATE Se tember 1 1976 CP(~~)PLETEP gy T. J. Perkins TELEPHONE 315) 343-2110 ext. 1312 OPERATING STATUS REPORTING PERIOD 760801-760831 GROSS HOURS IN REPORTING PERIOD: 744 CIIRRERTLY AD'PRQRIZED PC(VER LEVEL (LP(did MAR. DEP RD. CAPACITY ( IPA'P IPI): 610

3. PO'EYER LEVELTO WHICH RESTRICTED (IF ANY) (IfiVlc-Nei):

4I. REASONS FOR RESTRICTION (IF ANY):

THIS b10iUTH YR TO DATE CUMULATIVE 5 NUMBER OF HOURS REACTOR WAS CRITICAI 715. 8 5 068;8. "42,906 ~ 3

6. REACTOR RESERVE SHUTDOWN HOURS 291. 8. 1 138. 1

7. HOURS GENERATOR OiN LINE K.6 4 927.2 40 706.3

&. UNIT RESERVE SHUTDOWN HOURS

9. GROSS THERMAL ENERGY GENERATED (MWH)

10. GROSS ELECTRICAL ENERGY GENERATED (iYIWH) .

.....,........ ~~ 20.2 20.2 8, 158,089 6'4,372,635 2 649 829 21 142 932 11 NH ELECTRICAL ENERGY GENERA'TED (iYiWH) 348,687 2,567,799 20,485,893

12. REACTOR SERVICE FACTOR . 96.2 86.6 71.6 100 96.7 "- 73.5

13. REACTOR AVAILABILITY FACTOR ~ ~ ~

141. UNIT SERVICE FACTOR 84.2 68.0

15. UNIT AVAILABILITYFACTOR 93.6 85.0 68.0

16. UiNIT CAPACITY FACTOR (Using MDC) 76.8 71.9 56.1

17. UNIT CAPACITY FACTOR (Using Design I(II(Ye) 71.9 56.1

18. UNIT FORCED OUTAGE RATE 13.3 13.0

19. SHUTDOWNS SCH DULED OVER NEXT 6 I'10(XTHS (TYPE, DATE, AND DURATIOiN OF EACPI)s

20. IF SHUT DOlYN AT LND OF REPORT PF RIOD, ESTIMATED DATE OF STARTUP:

/cjw

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NINE MILE POINT NUCLEAR STATION N IAGAIVi MOHAWK POHER CORPORATION DOCKET NO. 50 220 UNIT SHUTDOWNS AND POWER REDUCTIONS HtllT N NH DATE Se tember 1 6 COMPLETED BY ~ ~- rki REPORT MONTI.I A >

THLL HHN ' t. '1312 METHOD OF TYPE SHUTTING DOWN F: FORCED DURATION THE REACTOR OR NO. DATE S: SCHEDULED (HOURS) REASON (1) REDUCING POSER (2) . CORRECTIVE ACTIONSi'COMMENTS 8 8/6/76 22.6 -A Generator trip due to malfunction of field ground test switch.

8/17/76 24.8 While testing turbine stop valves, turbine

'tripped due to faulty limit switches.

(I) REASON A: I:.QUIPMEN'f I'AILURE(EXPLAIN) (2) hiETHOD D: hiAINT. OR TEST 1: MANUAL SUI'IMARY: Turbine output {therefore reactor C: REI'UELINC 2: hiANUALSCRAM.

D: Rl'.CULATOI<YRESTRICTION 3: AUTOMATlCSCRAM output) limited due to high lake I;: OPERATOIC:f RAINING AND 4; OTHER (EXPLAIN) temperature {condenser cooling inlet)

LICENSI'. I'.XAhliNA'fION causing higher than normal turbine back I'l ADhilNlS'I'RATIVL':

pressure.

/cgw OPi',IIATIONALERROR ()EXPLAIN)

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